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68 lines
2.4 KiB
Python
68 lines
2.4 KiB
Python
"""Regression: installer/bootstrap must recover from diverged managed clones.
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When ``~/.hermes/hermes-agent`` has local-only commits (or diverged history),
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``git pull --ff-only`` fails with exit 128 and bootstrap aborts at the
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repository stage. ``hermes update`` already resets to ``origin/$BRANCH`` in
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that case; both installer scripts must do the same.
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Fixes the bootstrap failure seen in #53257 and desktop update paths that run
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``install.ps1`` / ``install.sh`` non-interactively.
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"""
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from __future__ import annotations
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import re
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from pathlib import Path
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REPO_ROOT = Path(__file__).resolve().parent.parent
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INSTALL_SH = REPO_ROOT / "scripts" / "install.sh"
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INSTALL_PS1 = REPO_ROOT / "scripts" / "install.ps1"
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def _extract_install_sh_update_block() -> str:
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text = INSTALL_SH.read_text()
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match = re.search(
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r"(?P<block>git checkout \"\$BRANCH\".*?fi\n\n if \[ -n \"\$autostash_ref\" \])",
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text,
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re.DOTALL,
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)
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assert match is not None, "managed-install update block not found in install.sh"
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return match["block"]
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def _extract_install_ps1_branch_update_block() -> str:
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text = INSTALL_PS1.read_text()
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match = re.search(
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r"(?P<block>git -c windows\.appendAtomically=false checkout \$Branch.*?elseif \(\$Tag\))",
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text,
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re.DOTALL,
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)
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assert match is not None, "branch update block not found in install.ps1"
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return match["block"]
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def test_install_sh_resets_when_ff_only_pull_fails() -> None:
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block = _extract_install_sh_update_block()
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assert 'git pull --ff-only origin "$BRANCH"' in block
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assert 'git reset --hard "origin/$BRANCH"' in block
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assert "Fast-forward not possible" in block
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pull_idx = block.find('git pull --ff-only origin "$BRANCH"')
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reset_idx = block.find('git reset --hard "origin/$BRANCH"')
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assert pull_idx != -1 and reset_idx != -1
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assert pull_idx < reset_idx, "ff-only pull must be attempted before reset fallback"
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def test_install_ps1_resets_when_ff_only_pull_fails() -> None:
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block = _extract_install_ps1_branch_update_block()
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assert "pull --ff-only origin $Branch" in block
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assert 'reset --hard "origin/$Branch"' in block
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assert "Fast-forward not possible" in block
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pull_idx = block.find("pull --ff-only origin $Branch")
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reset_idx = block.find('reset --hard "origin/$Branch"')
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assert pull_idx != -1 and reset_idx != -1
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assert pull_idx < reset_idx, "ff-only pull must be attempted before reset fallback"
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